basis of record Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,. 50: pp. 336-351. (look up in IMIS) [details]

Distribution Subtidal to 100 m depth, burrowing iin muddy sediments, with both ends curved upwards; western coasts of the British Isles, round the north of Scotland and down the northeast coast [details]